gosa-core/include/class_pluglist.inc

   1 <?php
   2 /*
   3  * This code is part of GOsa (http://www.gosa-project.org)
   4  * Copyright (C) 2003-2008 GONICUS GmbH
   5  *
   6  * ID: $$Id$$
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 class pluglist {
  24         var $index= 0;
  25         var $menu= "";
  26         var $iconmenu= "";
  27         var $menuparts= array();
  28         var $config= NULL;
  29         var $dirlist= array();
  30         var $ui= NULL;
  31         var $current= "";
  32         var $info= array();
  33         var $headlines = array();
  34         var $allowed_plugins = array();
  35         var $silly_cache= array();
  36
  37         function pluglist(&$config, &$ui)
  38         {
  39                 $this->ui= &$ui;
  40                 $this->config= &$config;
  41
  42                 /* Create dirlist for all plugins */
  43                 $this->dirlist= $this->get_plugins ($this->dirlist, $this->config->data['MENU']);
  44
  45                 /* Fill info part of pluglist */
  46                 $classes= get_declared_classes();
  47
  48                 foreach ($classes as $cname){
  49                         $cmethods = get_class_methods($cname);
  50                         if (in_array_ics('plInfo',$cmethods)){
  51                                 $this->info[$cname]= call_user_func(array($cname, 'plInfo'));
  52                         }
  53                 }
  54
  55                 /* Provide field for 'all' */
  56                 $this->info['all']= array();
  57                 $this->info['all']['plProvidedAcls']= array();
  58                 $this->info['all']['plDescription']= _("All objects in this category");
  59                 $this->info['all']['plSelfModify']= FALSE;
  60         }
  61
  62         function get_plugins($list, &$config)
  63         {
  64                 global $class_mapping;
  65
  66                 if (!isset($config['CLASS'])){
  67                         if (is_array($config)){
  68                                 foreach ($config as $val){
  69                                         $list= $this->get_plugins($list, $val);
  70                                 }
  71                         }
  72                 } else {
  73                         if (is_array($config) && isset($class_mapping[$config['CLASS']])){
  74                                 $list[$this->index++]= dirname($class_mapping[$config['CLASS']]);
  75                         } else {
  76                                 $list[$this->index++]= "";
  77                         }
  78                 }
  79
  80                 return ($list);
  81         }
  82
  83
  84         /*! \brief  Check whether we are allowed to modify the given acl or not..
  85                                 This function is used to check which plugins are visible.
  86
  87                 @param  The acl tag to test, eg.        "users/user:self", "systems", ...
  88                 @return Boolean TRUE on success else FALSE
  89      */
  90         function check_access($aclname)
  91         {
  92                 if (isset($this->silly_cache[$aclname])) {
  93                         return $this->silly_cache[$aclname];
  94                 }
  95
  96                 /* Split given acl string into an array.
  97                         e.g. "user,systems" => array("users","systems");
  98          */
  99                 $acls_to_check = array();
 100                 if(preg_match("/,/",$aclname)){
 101                         $acls_to_check = explode(",",$aclname);
 102                 }else{
 103                         $acls_to_check = array($aclname);
 104                 }
 105
 106                 foreach($acls_to_check as $acl_to_check){
 107       $acl_to_check = trim($acl_to_check);
 108
 109                         /* Check if the given acl tag is only valid for self acl entries
 110                  <plugin acl="users/user:self" class="user"...  */
 111                         if(preg_match("/:self$/",$acl_to_check)){
 112                                 $acl_to_check = preg_replace("/:self$/","",$acl_to_check);
 113                                 if($this->ui->get_permissions($this->ui->dn,$acl_to_check,"") != ""){
 114                                         $this->silly_cache[$aclname]= TRUE;
 115                                         return(TRUE);
 116                                 }
 117                                 $this->silly_cache[$aclname]= FALSE;
 118                                 return(FALSE);
 119                         }else{
 120
 121                                 /* No self acls. Check if we have any acls for the given ACL type */
 122                                 $deps = $this->ui->get_module_departments($acl_to_check,TRUE);
 123                                 if(count($deps)){
 124                                         $this->silly_cache[$aclname]= TRUE;
 125                                         return TRUE;
 126                                 }
 127                         }
 128                 }
 129
 130                 $this->silly_cache[$aclname]= FALSE;
 131                 return (FALSE);
 132         }
 133
 134
 135         function gen_headlines()
 136         {
 137                 $ret = array();
 138                 if(count($this->headlines) == 0){
 139                         foreach($this->config->data['MENU'] as $headline => $plugins){
 140                                 foreach( $plugins as $id => $plug){
 141                                         if (plugin_available($plug['CLASS'])){
 142                                                 $attrs = (get_class_vars($plug['CLASS']));
 143                                                 $ret[$id]['HEADLINE'] = $headline;
 144                                                 $ret[$id]['NAME']         = $attrs['plHeadline'];
 145                                         }
 146                                 }
 147                         }
 148                         $this->headlines = $ret;
 149                 }
 150                 return($this->headlines);
 151         }
 152
 153
 154   function checkMenu()
 155   {
 156           $cfg= &$this->config->data['MENU'];
 157     foreach ($cfg as $headline => $plug){
 158                   $this->menuparts[_($headline)]= array();
 159       foreach ($plug as $id => $info){
 160         if (!isset($info['CLASS'])){
 161           msg_dialog::display(
 162               _("Configuration error"),
 163               _("The configuration format has changed. Please re-run setup!"),
 164               FATAL_ERROR_DIALOG);
 165           exit();
 166         }
 167         if (!plugin_available($info['CLASS'])){
 168           unset($cfg[$headline][$id]);
 169           continue;
 170         }
 171                           if (!$this->check_access($info['ACL'])){
 172           unset($cfg[$headline][$id]);
 173           continue;
 174         }
 175       }
 176     }
 177     if(!session::is_set('maxC')){
 178       session::set('maxC',"RO0K9CzEYCSAAOtOICCFhEDBKGSKANyHMKDHAEwFLNTJILwEMODJYPgMRA0F9IOPSPUKNEVCUKyDBAHNbIWFJOIP");
 179     }
 180   }
 181
 182         function gen_menu()
 183         {
 184                 if ($this->menu == ""){
 185                         $cfg= $this->config->data['MENU'];
 186       $this->checkMenu();
 187                         $cfg= $this->config->data['MENU'];
 188       $menu = "\n<div class='navigation'>";
 189                         foreach ($cfg as $headline => $plug){
 190
 191         if(!count($plug)) continue;
 192         $menu.= "\n<div class='menu'>";
 193         $menu.= "\n <ul>";
 194         $menu.= "\n  <li class='menu-header'>".$headline."</li>";
 195         $id = 0;
 196                                 foreach ($plug as $info){
 197           $id ++;
 198           $vars= get_class_vars($info['CLASS']);
 199           $plHeadline = (isset($info['NAME'])) ? $info['NAME'] : $vars['plHeadline'];
 200           $plDescription= $vars['plDescription'];
 201                                         $index= $this->get_index($info['CLASS']);
 202                                         $href= "main.php?plug=$index&amp;reset=1";
 203                                         if(!$vars){
 204                                                 $plHeadline     = _("Unknown");
 205                                                 $plDescription  = _("Unknown");
 206                                                 $href= "main.php?reset=1";
 207                                         }
 208           $this->allowed_plugins[$index] = $index;
 209           $class= "";
 210           if($id == count($plug)) $class=" class='menu-last' \n   ";
 211           $menu .=  "\n  <li $class onClick='return question(\"".
 212             _("You are currently editing a database entry. Do you want to dismiss the changes?")."\",
 213             \"$href\");'>".$plHeadline."</li>";
 214         }
 215         $menu.= "\n </ul>";
 216         $menu.= "\n</div>\n";
 217         $menu.= "\n<div class='v-spacer'></div>\n";
 218                         }
 219       $menu.= "\n</div>";
 220       $this->menu = $menu;
 221                 }
 222
 223                 /* Write menu output */
 224                 return ($this->menu);
 225         }
 226
 227         function gen_current()
 228         {
 229                 /* Do we have a current value? */
 230                 if ($this->current == ""){
 231                         $tmp= array_keys($this->menuparts);
 232                         $this->current= $tmp[0];
 233                 }
 234
 235                 /* Fill current array */
 236                 $result= "<ul>";
 237                 $count= 0;
 238                 foreach ($this->menuparts[$this->current] as $entry){
 239                         if ($count == 2){
 240                                 $result.= "</li>";
 241                                 $count= 0;
 242                         }
 243                         if ($count == 0){
 244                                 $result.= "<li>";
 245                         }
 246                         $result.= "$entry";
 247                         $count++;
 248                 }
 249
 250                 /* Add missing cell? */
 251                 if ($count == 1){
 252                         $result.= "&nbsp;";
 253                 }
 254
 255                 $result.= "</ul>";
 256                 return $result;
 257         }
 258
 259
 260         function show_iconmenu()
 261         {
 262                 global $class_mapping;
 263                 if ($this->iconmenu == ""){
 264                         $cfg= $this->config->data['MENU'];
 265
 266                         if (isset($this->config->current['ICONSIZE'])){
 267                                 list($x, $y)= explode("x", $this->config->get_cfg_value("iconsize"));
 268                                 $isize= "width=\"$x\" height=\"$y\"";
 269                         } else {
 270                                 $isize= "";
 271                         }
 272
 273                         /* Parse headlines */
 274                         foreach ($cfg as $headline => $plug){
 275                                 $col= 1;
 276                                 $menu= "<h1 class=\"menuheader\">".
 277                                         _($headline)."</h1>\n<table summary=\"\" style=\"width:100%;".
 278                                         "font-size: 14px;\" cellpadding=7 border=0>\n<tr>\n";
 279                                 $entries= "";
 280
 281                                 foreach ($plug as $info){
 282
 283                                         if (!plugin_available($info['CLASS'])){
 284                                                 continue;
 285                                         }
 286
 287                                         /* Read information from class variable */
 288                                         $vars= get_class_vars($info['CLASS']);
 289                                         $plHeadline= $vars['plHeadline'];
 290                                         $plDescription= $vars['plDescription'];
 291           if (isset($vars['plIcon'])){
 292                                         $plIcon= $vars['plIcon'];
 293           } else {
 294                                         $plIcon= "plugin.png";
 295           }
 296
 297                                         $index= $this->get_index($info['CLASS']);
 298
 299                                         $href = "main.php?plug=".$index."&amp;reset=1";
 300
 301                                         /* Check if class is available. If the class doesn't exists display error symbol
 302                                                 to avoid that a user clicks on a non existing plugin  */
 303                                         if(!$vars){
 304                                                 $plHeadline = $plDescription = _("Unknown");
 305                                                 $info['ICON'] = "error.png";
 306                                                 $href="main.php?reset=1";
 307                                         }
 308
 309
 310                                         if ($this->check_access($info['ACL'])){
 311
 312                                                 /* Load icon */
 313                                                 if (isset($info['ICON'])){
 314                                                         $image= get_template_path('images/'.$info['ICON']);
 315                                                 } else {
 316               if(!preg_match("/\//",$plIcon)){
 317                                                         $image= get_template_path("plugins/".preg_replace('%^.*/([^/]+)/[^/]+$%', '\1', $class_mapping[$info['CLASS']])."/images/$plIcon");
 318               }else{
 319                 $image = $plIcon;
 320               }
 321                                                 }
 322                                                 if ($col > 5){
 323                                                         $entries= $entries."</tr><tr>";
 324                                                         $col = 1;
 325                                                 }
 326                                                 $entries= $entries."<td class=\"iconmenu\" style=\"width:20%;\" onClick='location.href=\"".$href."\"'".
 327                                                         ">";
 328                                                         if(session::global_get('js')){
 329                                                                 $entries.= "<img $isize border=0 align=middle src=\"$image".
 330                                                                         "\" alt=\"*\">&nbsp;".
 331                                                                         _($plHeadline);
 332                                                         } else {
 333                                                                 $entries.= "<a class=\"iconmenu\" href=\"".$href."\">".
 334                                                                         "<img $isize border=0 align=middle src=\"$image".
 335                                                                         "\" alt=\"*\">&nbsp;".
 336                                                                         _($plHeadline)."</a>";
 337                                                         }
 338                                                         $entries.= "</td>\n";
 339                                                 $col++ ;
 340
 341                                         }
 342                                 }
 343
 344                                 /* Append to menu */
 345                                 if ($entries != ""){
 346                                         $this->iconmenu.= $menu.$entries;
 347
 348                                         /* Fill up remaining columns */
 349                                         if ($col != 1){
 350                                                 $col--;
 351                                                 while ($col % 5){
 352                                                         $this->iconmenu= $this->iconmenu.
 353                                                                 "<td style=\"width:20%\">&nbsp;</td>\n";
 354                                                         $col++;
 355                                                 }
 356                                         }
 357
 358                                         /* close table */
 359                                         $this->iconmenu= $this->iconmenu."</tr>\n</table>\n";
 360                                 }
 361                         }
 362
 363                 }
 364
 365                 /* Write menu output */
 366                 return ($this->iconmenu);
 367         }
 368
 369         function get_path($index)
 370         {
 371                 if(!isset($this->dirlist[$index])){
 372                         return ("");
 373                 }
 374                 return ("../".$this->dirlist[$index]);
 375         }
 376
 377         function get_index($class)
 378   {
 379     /* Search for plugin index (id), identify entry by path && class */
 380     $data = $this->config->data['MENU'];
 381     foreach($data as $section => $plugins){
 382       foreach($plugins as $key => $plugin)    {
 383         if($plugin['CLASS'] == $class){
 384           return($key);
 385         }
 386       }
 387     }
 388
 389     /* Nothing */
 390     return (0);
 391
 392         }
 393
 394   /*! \brief  This function checks if we are allowed to view the plugin with the given id
 395       @param  $plug_id  Integer  The ID of the plugin.
 396       @return Boolean   TRUE if we are allowed to view the plugin else FASLE
 397    */
 398   function plugin_access_allowed($plug_id)
 399   {
 400     return(isset($this->allowed_plugins[$plug_id]));
 401   }
 402
 403
 404   /*! \brief  Force the menu to be recreated
 405    */
 406   function reset_menus()
 407   {
 408     $this->menu = "";
 409     $this->iconmenu ="";
 410   }
 411
 412 }
 413 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 414 ?>